Department of Biology: Recent submissions
Now showing items 741-760 of 1255
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Embriogenesis Somatik dari Salak Padangsidempuan (Salacca sumatrana Becc.) pada Media MS diperkaya dengan Lisin
(Universitas Sumatera Utara, 2016)The Research of Somatic Embryogenesis from Zalaccca Padangsidempuan (Salacca sumatrana Becc.) in MS Media Enriched by Lysine has been conducted at the Laboratory of Physiology and Plant Tissue Culture, Faculty of Mathematics ... -
Keanekaragaman Ikan di Sungai Sembahe, Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2017)The diversity of fish in Sembahe river, Deli Serdang has been observed in November 2016. Determining the location of the point of the study using the ‘’Purposive Random Sampling’’. Six species of fish that obtained ... -
Viabilitas dan Kemapuan Bakteri Penghasil Biosurfaktan Terimobilisasi dalam Mendegradasi Pestisida Berbahan Aktif
(Universitas Sumatera Utara, 2017)Application of pesticides especially in developing countries, on the agricultural sector has become a common thing. Pesticides widely used is a synthetic pesticide that has a negative impact on the environment, such as ... -
Uji Anti Hiperkolesterolemia Daun Pirdot (Saurauia vulcani K.) pada Mencit (Mus musculus L.) Jantan yang diberi diet Kuning Telur Puyuh
(Universitas Sumatera Utara, 2017)Pirdot leaf ethanol extract contains saponins that have the potential to lower cholesterol levels. The antihipercholesterolemia test of pirdot leaf extract in mice given quail egg yolk diet has been conducted in Animal ... -
Inventarisasi Tumbuhan Paku di Kawasan Hutan Gunung Sibuatan Kecamatan Merek Kabupaten Karo Sumatera Utara
(Universitas Sumatera Utara, 2017)The study has been conducted to determine the fern species. The result of study fine fifty six species that belong to 2 classes, 20 family, and 36 genera in Sibuatan Mount forest, 28 of fifty five species were categorized ... -
Struktur dan Komposisi Pohon Serta Karbon tersimpan di Deleng Macik Kawasan TAHURA Bukit Barisan Kabupaten Karo Sumatera Utara
(Universitas Sumatera Utara, 2017)Research on the composition and structure of tree vegetation and carbon stored in Deleng Macik Bukit Barisan Grand Forest Park areas Karo district of North Sumatera Province had been done on May till October 2016. This ... -
Pengaruh Kombinasi NAA dan Kinetin terhadap Pertumbuhan dan Perubahan Planlet dari Tunas Apikal Kelapa Sawit (Elaeis guineensis Jacq.)
(Universitas Sumatera Utara, 2017)The study about“The Effect of NAA and Kinetin on Development and Mutation of Plantlet from Apical Bud of Oil Palm (Elaeis guineensis Jacq.)” has been done from February 2016 to March 2017 at Plant Tissue Culture Laboratory ... -
Laju Produktivitas & Dekomposisi Serasah Daun Homalanthus populneus (Geiseler) Pax. dan Macaranga hypoleuca (Reichb.f. & Zoll) di Deleng Macik, Taman Hutan Raya Bukit Barisan Kabupaten Karo Sumatera Utara
(Universitas Sumatera Utara, 2017)Research of the rates of leaf litter productivity and decomposition of Homalanthus populneus (Geiseler) Pax. & Macaranga hypoleuca (Reichb.f. & Zoll.) in Deleng Macik, Taman Hutan Raya Bukit Barisan Kabupaten Karo Sumatera ... -
Potensi Jamur Endofit dari Tanaman Salak (Salacca zalacca (Gaertn.) Voss.) dalam Menghambat Pertumbuhan Thielaviopsis sp. Penyebab Busuk Buah pada Salak
(Universitas Sumatera Utara, 2022)Thielaviopsis is one of fungal species that cause fruit rot on snake fruit. The fungal spores infect the fruit during harvesting. The objective of the research was to obtain antagonistic characteristics of endophytic fungi ... -
Analisis Parasit Gastrointestinal Babi (Sus spp.) di Rumah Potong Hewan Mabar Hilir, Kecamatan Medan Deli, Sumatera Utara
(Universitas Sumatera Utara, 2022)Gastrointestinal parasitic infection is an infection that causes a decrease in the productivity level of pigs on farms so that it can be economically detrimental to farmers. Research on the analysis of gastrointestinal ... -
Uji Ketahanan Tanaman Cabai Merah (Capsicum annuum L.) terhadap Penyakit Layu Fusarium Melalui Aplikasi Agen Biokontrol Trichoderma sp
(Universitas Sumatera Utara, 2021)Red chili (Capsicum annuum L.) is one of the agricultural commodities that is very susceptible infected by Fusarium oxysporum wilt disease, so it is necessary to seek control efforts. This study used local varieties of red ... -
Evaluasi Keakuratan Metode Kit Ekstraksi RNA pada Pemeriksaan Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) di Kota Medan Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2021)Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) is a group of corona viruses within the genus betacoronavirus which is the etiology of COVID- 19. This virus attacks human and mammal, human infected with this ... -
Evaluasi Perbandingan Nilai Ct (Cycle threshold) terhadap Pemeriksaan Sars-CoV-2 Menggunakan Metode Pooled Test di Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2021)Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) is a new type of coronavirus causes pneumonia, which causes mild or severe respiratory damage. The name of the disease caused by this virus is Coronaviurs ... -
Perbandingan Positivity Rate Sampel Swab Nasofaring dan Orofaring dengan Metode Reverse Transcription-Pcr di Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2021)Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) is a type of coronavirus that causes COVID-19. SARS-CoV-2 is classified as an RNA virus that can cause mild or severe respiratory tract infections. Cases ... -
Kualitas Air Danau Toba Menurut Ruang dan Waktu Berdasarkan Faktor Fisika Kimia Lingkungan dan Komunitas Fitoplankton
(Universitas Sumatera Utara, 2022)The purpose of this study was to analyze the water quality of Toba Lake based on the physics-chemical properties of the waters, the phytoplankton community, and the relationship between the physico-chemical factors of the ... -
Keanekaragaman Serangga Air di Danau Lau Kawar Akibat Erupsi Gunung Sinabung Kecamatan Simpang Empat, Kabupaten Karo
(Universitas Sumatera Utara, 2021)Lau Kawar Lake was affected by the eruption of Mount Sinabung that causing changes in water conditions and aquatic biota life, one of which was water insects. Water insects have the ability to respond changes in water ... -
Uji Potensi Jamur Penghasil Biosurfaktan dari Tanah Tercemar Limbah Zat Warna Tekstil dalam Mendegradasi Karbofuran
(Universitas Sumatera Utara, 2021)The use of pesticides to support the increase in agricultural and plantation production is of great help in increasing agricultural production. However, the use of pesticides can also have a negative impact on humans, ... -
Identifikasi dan Prevalensi Parasit Nematoda Pada Usus Halus Sapi (Bos sp.) di Rumah Potong Hewan Mabar Hilir, Kecamatan Medan Deli, Sumatera Utara
(Universitas Sumatera Utara, 2021)Parasitic infections cause various problems in livestock such as growth disorders, weight loss and death. These disorders can be prevented by knowing the type of parasite that infects. Research of identification and ... -
Pengaruh Pemberian Kombinasi Ekstrak Taoge dan Kinetin terhadap Pertumbuhan Tunas Anggrek Dendrobium sp. pada Media MS
(Universitas Sumatera Utara, 2022)Penelitian mengenai Pengaruh Pemberian Kombinasi Ekstrak Taoge dan Kinetin Terhadap Pertumbuhan Tunas Anggrek Dendrobium sp. pada Media MS telah dilaksanakan dari bulan April 2021 sampai bulan September 2021 di Laboratorium ... -
Pengaruh Pemberian Kombinasi Ekstrak Pisang dan BAP pada Media MS terhadap Pertumbuhan Tunas Anggrek Dendrobium sp.
(Universitas Sumatera Utara, 2022)Penelitian tentang pengaruh pemberian kombinasi ekstrak pisang dan BAP pada media MS terhadap pertumbuhan biji anggrek Dendrobium sp. telah dilakukan dari bulan Mei sampai dengan bulan September 2021 di Laboratorium Kultur ...